面つら構がまえ

noun

facial expression; look

Often used for fierce, fearless, or sinister expressions, but can also refer to any distinctive look on someone's face.

• 彼かれは怖こわい面つら構がまえでにらみつけた。

  He glared with a fierce look on his face.

• あの男おとこはいつも不ふ敵てきな面つら構がまえをしている。

  That man always has a fearless expression.